bin/55346: /bin/sh eats memory and CPU infinitely
Doug White
dwhite at gumbysoft.com
Thu Aug 14 11:10:19 PDT 2003
The following reply was made to PR bin/55346; it has been noted by GNATS.
From: Doug White <dwhite at gumbysoft.com>
To: Eugene Grosbein <eugen at grosbein.pp.ru>
Cc: stable at freebsd.org, bug-followup at freebsd.org
Subject: Re: bin/55346: /bin/sh eats memory and CPU infinitely
Date: Thu, 14 Aug 2003 11:04:13 -0700 (PDT)
On Fri, 15 Aug 2003, Eugene Grosbein wrote:
> Hi!
>
> It seems /bin/sh in 4.8-STABLE has problem with SIGCHLD processing.
> In short, it often fails to process it correctly, zombies float
> around, jobs are not marked as finished in jobtab[] that fills memory
> and takes much CPU to be processed.
>
> Run this one-liner using /bin/sh and see hundreds of zombies:
>
> #!/bin/sh
> while :; do : & done
Considering that with this script you are forkbombing your machine as
root, I think this falls into the "doctor it hurts when I shoot my foot"
category.
--
Doug White | FreeBSD: The Power to Serve
dwhite at gumbysoft.com | www.FreeBSD.org
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